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https://github.com/ethereum/go-ethereum.git
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f691d661c4
No matter what value of P2P.DiscoveryV4 or DiscoveryV5 is set in config file, it will be overwritten by the CLI flag, even if the flag is not set. This fixes it to apply the flag only if set.
127 lines
4.4 KiB
Go
127 lines
4.4 KiB
Go
// Copyright 2016 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package node
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import (
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"os"
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"os/user"
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"path/filepath"
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"runtime"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/p2p"
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"github.com/ethereum/go-ethereum/p2p/nat"
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"github.com/ethereum/go-ethereum/rpc"
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)
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const (
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DefaultHTTPHost = "localhost" // Default host interface for the HTTP RPC server
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DefaultHTTPPort = 8545 // Default TCP port for the HTTP RPC server
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DefaultWSHost = "localhost" // Default host interface for the websocket RPC server
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DefaultWSPort = 8546 // Default TCP port for the websocket RPC server
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DefaultAuthHost = "localhost" // Default host interface for the authenticated apis
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DefaultAuthPort = 8551 // Default port for the authenticated apis
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)
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const (
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// Engine API batch limits: these are not configurable by users, and should cover the
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// needs of all CLs.
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engineAPIBatchItemLimit = 2000
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engineAPIBatchResponseSizeLimit = 250 * 1000 * 1000
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engineAPIBodyLimit = 128 * 1024 * 1024
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)
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var (
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DefaultAuthCors = []string{"localhost"} // Default cors domain for the authenticated apis
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DefaultAuthVhosts = []string{"localhost"} // Default virtual hosts for the authenticated apis
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DefaultAuthOrigins = []string{"localhost"} // Default origins for the authenticated apis
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DefaultAuthPrefix = "" // Default prefix for the authenticated apis
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DefaultAuthModules = []string{"eth", "engine"}
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)
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// DefaultConfig contains reasonable default settings.
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var DefaultConfig = Config{
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DataDir: DefaultDataDir(),
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HTTPPort: DefaultHTTPPort,
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AuthAddr: DefaultAuthHost,
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AuthPort: DefaultAuthPort,
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AuthVirtualHosts: DefaultAuthVhosts,
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HTTPModules: []string{"net", "web3"},
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HTTPVirtualHosts: []string{"localhost"},
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HTTPTimeouts: rpc.DefaultHTTPTimeouts,
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WSPort: DefaultWSPort,
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WSModules: []string{"net", "web3"},
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BatchRequestLimit: 1000,
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BatchResponseMaxSize: 25 * 1000 * 1000,
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GraphQLVirtualHosts: []string{"localhost"},
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P2P: p2p.Config{
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ListenAddr: ":30303",
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MaxPeers: 50,
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NAT: nat.Any(),
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DiscoveryV4: true,
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DiscoveryV5: true,
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},
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DBEngine: "", // Use whatever exists, will default to Pebble if non-existent and supported
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}
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// DefaultDataDir is the default data directory to use for the databases and other
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// persistence requirements.
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func DefaultDataDir() string {
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// Try to place the data folder in the user's home dir
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home := homeDir()
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if home != "" {
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switch runtime.GOOS {
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case "darwin":
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return filepath.Join(home, "Library", "Ethereum")
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case "windows":
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// We used to put everything in %HOME%\AppData\Roaming, but this caused
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// problems with non-typical setups. If this fallback location exists and
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// is non-empty, use it, otherwise DTRT and check %LOCALAPPDATA%.
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fallback := filepath.Join(home, "AppData", "Roaming", "Ethereum")
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appdata := windowsAppData()
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if appdata == "" || common.IsNonEmptyDir(fallback) {
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return fallback
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}
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return filepath.Join(appdata, "Ethereum")
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default:
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return filepath.Join(home, ".ethereum")
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}
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}
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// As we cannot guess a stable location, return empty and handle later
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return ""
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}
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func windowsAppData() string {
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v := os.Getenv("LOCALAPPDATA")
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if v == "" {
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// Windows XP and below don't have LocalAppData. Crash here because
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// we don't support Windows XP and undefining the variable will cause
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// other issues.
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panic("environment variable LocalAppData is undefined")
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}
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return v
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}
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func homeDir() string {
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if home := os.Getenv("HOME"); home != "" {
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return home
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}
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if usr, err := user.Current(); err == nil {
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return usr.HomeDir
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}
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return ""
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}
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